28278376

素因数分解:

$2^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1823}}^1$

素因数の和:2113

約数の個数: 32

約数和(自身を含む): 60848640

約数和(自身を除く): 32570264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 277, 554, 1108, 1823, 1939, 2216, 3646, 3878, 7292, 7756, 12761, 14584, 15512, 25522, 51044, 102088, 504971, 1009942, 2019884, 3534797, 4039768, 7069594, 14139188, 28278376]

約数ペア:

[(1, 28278376), (2, 14139188), (4, 7069594), (7, 4039768), (8, 3534797), (14, 2019884), (28, 1009942), (56, 504971), (277, 102088), (554, 51044), (1108, 25522), (1823, 15512), (1939, 14584), (2216, 12761), (3646, 7756), (3878, 7292)]